Ken Griffey Jr. Autographed Official MLB Baseball Seattle Mariners Career Uniform Numbers Beckett BAS & MCS Holo Stock #196994

Own a piece of baseball history with this Official MLB Baseball, personally hand-signed by Hall of Famer Ken Griffey Jr. Adding to its rarity, Griffey inscribed this baseball with his career uniform numbers: "3, 17, 42, 24, & 30." A must-have for serious collectors and Mariners fans alike, this extraordinary item comes with ironclad authentication for peace of mind.

• Authentic Signature & Inscription – Signed by Ken Griffey Jr., one of the greatest players in MLB history, with a unique career number inscription.
• Certified by Beckett Authentication (BAS) – Includes a tamper-proof QR Code sticker that can be verified on Beckett-authentication.com.
• Mill Creek Sports Authentication – Signed in the presence of a Mill Creek Sports representative, ensuring authenticity with their serial-numbered hologram and matching certificate.
• Official MLB Baseball – The perfect collectible for any baseball memorabilia enthusiast or Ken Griffey Jr. fan.

Ken Griffey Jr. is a baseball icon known for his effortless swing, Gold Glove defense, and legendary career with the Seattle Mariners, Cincinnati Reds, and Chicago White Sox. Whether you're a lifelong collector or looking for the ultimate gift for a baseball fan, this authenticated, signed baseball is a timeless investment in the legacy of one of the greatest players to ever step on the field.